Subtract 81/54 from 15/75
1st number: 15/75, 2nd number: 1 27/54
15/75 - 81/54 is -13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
15/75 = 15 × 18/75 × 18 = 270/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
81/54 = 81 × 25/54 × 25 = 2025/1350 - Subtract the two like fractions:
270/1350 - 2025/1350 = 270 - 2025/1350 = -1755/1350 - After reducing the fraction, the answer is -13/10
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